Which movement technique allows for good speed and good security at the same time?

The movement technique that allows for good speed and good security simultaneously is Traveling Overwatch. This method is specifically designed to balance the need for speed in movement with ensuring adequate security against threats.

In Traveling Overwatch, one element moves while the other provides cover, allowing for rapid progression through an area while maintaining situational awareness and protective measures. The moving unit can proceed quickly, knowing they have the security of their overwatching team, which is positioned to engage any potential threats or provide information if needed. This technique is particularly beneficial when maneuvering in potentially hostile environments where maintaining a good speed can be crucial for mission success but where the risk of ambush or encountering enemy forces remains significant.

On the other hand, while the other techniques mentioned have their specific uses, they do not combine speed and security in the same effective manner as Traveling Overwatch. Traveling alone focuses solely on movement speed without the built-in observational and defensive capabilities that the overwatch element provides. Bounding Overwatch emphasizes alternating movement and cover but may slow down progress as units take turns moving and halting. Stationary Defense is focused on holding positions rather than moving effectively, resulting in a lack of speed.